CN109609014A - A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating and preparation method thereof - Google Patents

A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating and preparation method thereof Download PDF

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Publication number
CN109609014A
CN109609014A CN201811496368.6A CN201811496368A CN109609014A CN 109609014 A CN109609014 A CN 109609014A CN 201811496368 A CN201811496368 A CN 201811496368A CN 109609014 A CN109609014 A CN 109609014A
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China
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high adhesion
adhesion force
coated surface
added
self
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Chinese (zh)
Inventor
魏超
王志强
顾剑东
孟军锋
杨茂林
周敏
施颖波
杨康
孙哲
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North Paint and Coatings Industry Research and Design Institute
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North Paint and Coatings Industry Research and Design Institute
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Priority to CN201811496368.6A priority Critical patent/CN109609014A/en
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    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/08—Polyurethanes from polyethers

Abstract

The invention discloses a kind of ITO coated surface polyurethane high adhesion force wear-resistant coatings and preparation method thereof, the coating is made of the raw material of following weight percent content: self-control prepolymer 40-70%, curing agent 5-20%, solvent A 20-50%, catalyst A 0.01-1%, auxiliary agent 0.05-2%, the self-control prepolymer are made of the raw material of following weight percent content: polymer polyatomic alcohol 10-30%, chain extender 2-5%, polyisocyanates 10-40%, catalyst B 0.01-0.05%, solvent B 40-50%.ITO coated surface polyurethane high adhesion force wear-resistant coating of the invention is made of self-control prepolymer, curing agent, solvent A, catalyst A and auxiliary agent; wherein self-control prepolymer is made of polymer polyatomic alcohol, chain extender, polyisocyanates, catalyst B and solvent B; pass through the specific ratio cooperation of each component; the coating of formation not will cause the cracking of ito film; adhesive force is good; and wearability is good; coating abrasion performance and high adhesion force can be met simultaneously, played a very good protection to the ito film on the Transparent Parts such as aircraft surface.

Description

A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating and preparation method thereof
Technical field
The invention belongs to aircraft Transparent Parts surface protection technical fields, and in particular to a kind of ITO coated surface polyurethane High adhesion force wear-resistant coating and preparation method thereof.
Background technique
In Aeronautics and Astronautics field, aircraft Transparent Parts using organic glass prepare, in flight course in air Grain friction is easy to produce electrostatic, if charge accumulated can excessively cause certain harm to aircraft, so usually to Transparent Parts Surface sputtering one layer of ito thin film of preparation, ito thin film is a kind of N-shaped conductive material, has high conductivity, high transparency, high machine Tool hardness and good chemical stability, also have both stealthy function.But ito thin film is being easy cracking very by under external force To falling off from substrate, therefore a kind of coating wear-resisting with high adhesion force need to be developed, it is protected.
There are two types of the main methods for solving the problems, such as this at present, first is that coating one layer of acrylic acid coatings on ito thin film, this third Olefin(e) acid coating adhesion is good, but be easy to cause the cracking of ito film, and acrylic acid coatings wear no resistance；Second is that using multilayer Method, the polyurethane of one layer of organosilicon, acrylic acid or low stretch modulus is first coated mainly on ito thin film as primary coat Layer, then wearability is provided in the polyurethane of one layer of hard of applied atop, but this method construction process requirement is stringent, program is multiple It is miscellaneous, the case where ply adhesion between later period coating also will appear decline.
Summary of the invention
The purpose of the present invention is to solve the technical problems existing in the prior art, provide that a kind of wearability is good, attachment Power is high and not will cause the ITO coated surface polyurethane high adhesion force wear-resistant coating of ito film cracking.
Another object of the present invention is to provide a kind of systems of ITO coated surface polyurethane high adhesion force wear-resistant coating Preparation Method.
In order to achieve the above object, the invention adopts the following technical scheme: a kind of ITO coated surface polyurethane high adhesion force Wear-resistant coating is made of the raw material of following weight percent content: self-control prepolymer 40-70%, curing agent 5-20%, solvent A 20-50%, catalyst A 0.01-1%, auxiliary agent 0.05-2%, the prepolymer of making by oneself is by the raw material group of following weight percent content At: polymer polyatomic alcohol 10-30%, chain extender 2-5%, polyisocyanates 10-40%, catalyst B 0.01-0.05%, solvent B 40-50%。
Further, the curing agent is one of N-75, N-3390.
Further, the solvent A and solvent B be respectively DBE, acetic acid (2- butoxy second) ester, dimethylbenzene, cyclohexanone, One or more of ethyl acetate, ethylene glycol ether acetate, butyl acetate, butanone, acetone.
Further, the catalyst A and catalyst B be respectively dibutyl tin dilaurate, it is dibutyltin diacetate, pungent One of sour stannous.
Further, the auxiliary agent is one of BYK-306, BYK-358N, BYK-333, BYK-378, BYK-4510 Or it is several.
Further, the polymer polyatomic alcohol be CAPA3050, CAPA3000, CAPA2085, CAPA2000, N-330, One or more of 300E, PPG1000, PPG600, T-5651.
Further, the chain extender is 1,4-butanediol, 1,6- hexylene glycol, glycerine, trimethylolpropane, three isopropyls The one or more of hydramine.
Further, the polyisocyanates is toluene di-isocyanate(TDI), xylylene diisocyanate, dicyclohexyl first The one or more of alkane diisocyanate, di-isocyanate.
A kind of preparation method of ITO coated surface polyurethane high adhesion force wear-resistant coating, method includes the following steps:
(1) preparation self-control prepolymer: the pure and mild chain extender of polymer polyol is added in a kettle, one is then added in a kettle It is uniformly mixed after partial solvent B, heating reduced-pressure backflow is dehydrated 2h, releases the mixture of the water and solvent that steam, is cooled to 40-50 Heat preservation continues to stir 1h at DEG C, and catalyst B is added, and polyisocyanates, 2h is added dropwise with dropping funel while stirring at 60-70 DEG C It is added dropwise, is warming up to 70-80 DEG C of heat preservation the reaction was continued 2h, is cooled to 40 DEG C or less addition remainder solvents, is warming up to 70- Self-control prepolymer can be obtained in 80 DEG C of insulated and stirred reaction 3h；
(2) solvent A is added after mixing self-control prepolymer and curing agent to stir evenly, catalyst A is then added, cures 10 minutes Auxiliary agent is added afterwards to stir evenly, after bubble completely disappears, is coated, coating can be formed after room temperature curing 7d.
The present invention has the advantages that ITO coated surface polyurethane high adhesion force of the invention compared with the prior art Wear-resistant coating is made of self-control prepolymer, curing agent, solvent A, catalyst A and auxiliary agent, wherein self-control prepolymer is more by polymer First alcohol, chain extender, polyisocyanates, catalyst B and solvent B composition, are cooperated, the coating of formation by the specific ratio of each component The cracking of ito film is not will cause, adhesive force is good, and wearability is good, can meet coating abrasion performance and high attachment simultaneously Power plays a very good protection to the ito film on the Transparent Parts such as aircraft surface.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
Embodiment 1
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 40%, N-75 20%, DBE 38.95%, dibutyl tin dilaurate 1%, BYK-306 0.05%.Wherein make prepolymer by oneself It is made of the raw material of following weight percent content: CAPA3050(polycaprolactonetriol) 4.99%, CAPA2000(polycaprolactone Glycol) 10%, 1,4-butanediol 5%, toluene di-isocyanate(TDI) 30%, dibutyl tin dilaurate 0.01%, butyl acetate 20%, two Toluene 30%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle be added CAPA3050(polycaprolactonetriol), CAPA2000(polycaprolactone Glycol) and 1,4-butanediol, it is uniformly mixed after butyl acetate is then added in a kettle, heating reduced-pressure backflow is dehydrated 2h, puts The mixture of the water and solvent that steam out is cooled to heat preservation at 40 DEG C and continues to stir 1h, dibutyl tin dilaurate is added, 60 Toluene di-isocyanate(TDI) is added dropwise with dropping funel while stirring at DEG C, 2h is added dropwise, 70 DEG C of heat preservations are warming up to the reaction was continued 2h, 40 DEG C or less addition dimethylbenzene are cooled to, being warming up to 70 DEG C of insulated and stirred reaction 3h can be obtained self-control prepolymer；
(2) DBE is added after mixing self-control prepolymer and N-75 to stir evenly, dibutyl tin dilaurate is then added, cures BYK-306 is added after ten minutes to stir evenly, after bubble completely disappears, is coated, painting can be formed after room temperature curing 7d Layer.
Embodiment 2
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 70%, N-3390 7.99%, acetic acid (2- butoxy second) ester 5%, butyl acetate 15%, dibutyltin diacetate 0.01%, BYK-358N 1%,BYK-378 1%.Wherein self-control prepolymer is made of the raw material of following weight percent content: CAPA3000 (polycaprolactonetriol) 10%, CAPA2085 (polycaprolactone glycol) 20%, 1,6- hexylene glycol 2%, xylylene diisocyanate 27.95%, dibutyltin diacetate 0.05%, DBE 20%, cyclohexanone 20%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle be added CAPA3000(polycaprolactonetriol), CAPA2085(polycaprolactone Glycol) and 1,6- hexylene glycol is uniformly mixed after DBE is then added in a kettle, and heating reduced-pressure backflow is dehydrated 2h, and releasing steams Water and solvent mixture, be cooled at 50 DEG C heat preservation and continue to stir 1h, dibutyltin diacetate is added, is stirred below at 70 DEG C It mixes side dropping funel and xylylene diisocyanate is added dropwise, 2h is added dropwise, and is warming up to 80 DEG C of heat preservations the reaction was continued 2h, cooling To 40 DEG C or less addition cyclohexanone, being warming up to 80 DEG C of insulated and stirred reaction 3h can be obtained self-control prepolymer；
(2) addition acetic acid (2- butoxy second) ester, butyl acetate stir evenly after mixing self-control prepolymer and N-3390, then Dibutyltin diacetate is added, BYK-358N, BYK-378 are added after ten minutes and stirs evenly for curing, after bubble completely disappears, It is coated, coating can be formed after room temperature curing 7d.
Embodiment 3
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 43%, N-75 5%, dimethylbenzene 50%, stannous octoate 0.5%, BYK-333 1.5%.Wherein self-control prepolymer is by following heavy Measure the raw material composition of degree: CAPA2000(polycaprolactone glycol) 10%, glycerine 5%, two isocyanide of dicyclohexyl methyl hydride Acid esters 16.96%, di-isocyanate 20%, stannous octoate 0.04%, acetic acid (2- butoxy second) ester 20%, butanone 28%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) CAPA2000(polycaprolactone glycol preparation self-control prepolymer: is added in a kettle) and glycerine, then reacting It is uniformly mixed after acetic acid (2- butoxy second) ester is added in kettle, heating reduced-pressure backflow is dehydrated 2h, releases the water and solvent steamed Mixture is cooled to heat preservation at 45 DEG C and continues to stir 1h, stannous octoate is added, is added dropwise while stirring with dropping funel at 65 DEG C Dicyclohexyl methyl hydride diisocyanate, di-isocyanate, 2h are added dropwise, and are warming up to 75 DEG C of heat preservation the reaction was continued 2h, cooling To 40 DEG C or less addition butanone, being warming up to 75 DEG C of insulated and stirred reaction 3h can be obtained self-control prepolymer；
(2) dimethylbenzene is added after mixing self-control prepolymer and N-75 to stir evenly, stannous octoate is then added, cures 10 minutes BYK-333 is added afterwards to stir evenly, after bubble completely disappears, is coated, coating can be formed after room temperature curing 7d.
Embodiment 4
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 54%, N-3390 10%, cyclohexanone 10%, ethylene glycol ether acetate 15%, butanone 10%, dibutyl tin dilaurate 0.4%,BYK-378 0.6%.Wherein self-control prepolymer is made of the raw material of following weight percent content: N-330(polyethers ternary Alcohol) 10%, trimethylolpropane 3%, di-isocyanate 40%, dibutyl tin dilaurate 0.02%, ethylene glycol ethyl ether acetic acid Ester 46.98%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle plus N-330(polyether-tribasic alcohol) and trimethylolpropane, then reacting It is uniformly mixed after half ethylene glycol ether acetate is added in kettle, heating reduced-pressure backflow is dehydrated 2h, releases the water and solvent steamed Mixture, be cooled at 40 DEG C heat preservation and continue to stir 1h, dibutyl tin dilaurate is added, while stirring with drop at 70 DEG C Di-isocyanate is added dropwise in liquid funnel, and 2h is added dropwise, and is warming up to 80 DEG C of heat preservations the reaction was continued 2h, be cooled to 40 DEG C or less additions Half ethylene glycol ether acetate, being warming up to 70 DEG C of insulated and stirred reaction 3h can be obtained self-control prepolymer；
(2) cyclohexanone, ethylene glycol ether acetate, butanone is added after mixing self-control prepolymer and N-3390 to stir evenly, so After be added dibutyl tin dilaurate, BYK-378 is added after ten minutes and stirs evenly for curing, after bubble completely disappears, carries out It coats, coating can be formed after room temperature curing 7d.
Embodiment 5
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 44%, N-75 16%, ethyl acetate 39%, dibutyltin diacetate 0.1%, BYK-4510 0.9%.Wherein make pre-polymerization by oneself Object is made of the raw material of following weight percent content: PPG1000(polytetrahydrofuran ether glycol) 20%, triisopropanolamine 2.96%, toluene di-isocyanate(TDI) 32%, dibutyltin diacetate 0.04%, butyl acetate 20%, cyclohexanone 25%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle plus PPG1000(polytetrahydrofuran ether glycol) and triisopropanolamine, then It is uniformly mixed after butyl acetate is added in a kettle, heating reduced-pressure backflow is dehydrated 2h, releases the mixing of the water and solvent that steam Object is cooled to heat preservation at 50 DEG C and continues to stir 1h, dibutyltin diacetate is added, is dripped while stirring with dropping funel at 60 DEG C Add toluene di-isocyanate(TDI), 2h is added dropwise, and is warming up to 70 DEG C of heat preservation the reaction was continued 2h, is cooled to 40 DEG C or less addition hexamethylenes Ketone, being warming up to 80 DEG C of insulated and stirred reaction 3h can be obtained self-control prepolymer；
(2) ethyl acetate is added after mixing self-control prepolymer and N-75 to stir evenly, dibutyltin diacetate is then added, it is ripe Change addition BYK-4510 after ten minutes to stir evenly, after bubble completely disappears, is coated, can be formed after room temperature curing 7d Coating.
Embodiment 6
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 60%, N-3390 14.5%, ethylene glycol ether acetate 25%, stannous octoate 0.05%, BYK-306 0.45%.Wherein certainly Prepolymer processed is made of the raw material of following weight percent content: PPG600(polytetrahydrofuran ether glycol) 15%, Isosorbide-5-Nitrae-fourth two Alcohol 5%, xylylene diisocyanate 37.95%, stannous octoate 0.05%, ethylene glycol ether acetate 20%, butyl acetate 22%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle plus PPG600(polytetrahydrofuran ether glycol) and 1,4-butanediol, then exist It is uniformly mixed after ethylene glycol ether acetate is added in reaction kettle, heating reduced-pressure backflow is dehydrated 2h, releases the water and solvent steamed Mixture, be cooled at 45 DEG C heat preservation and continue to stir 1h, stannous octoate is added, is dripped while stirring with dropping funel at 70 DEG C Add xylylene diisocyanate, 2h is added dropwise, and is warming up to 75 DEG C of heat preservation the reaction was continued 2h, is cooled to 40 DEG C or less addition second Acid butyl ester, being warming up to 70 DEG C of insulated and stirred reaction 3h can be obtained self-control prepolymer；
(2) ethylene glycol ether acetate is added after mixing self-control prepolymer and N-3390 to stir evenly, it is sub- that octanoic acid is then added BYK-306 is added after ten minutes and stirs evenly, after bubble completely disappears, is coated, after room temperature curing 7d for tin, curing Form coating.
Embodiment 7
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 52.5%, N-75 16%, butyl acetate 20, ethyl acetate 10%, dibutyl tin dilaurate 0.3%, BYK-358N 1.2%.Wherein self-control prepolymer is made of the raw material of following weight percent content: T-5651 (polycarbonate glycol) 25%, third Triol 3%, di-isocyanate 27%, dibutyl tin dilaurate 0.01%, ethyl acetate 22%, dimethylbenzene 22.99%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle plus T-5651(polycarbonate glycol) and glycerine, then in a kettle It is uniformly mixed after ethyl acetate is added, heating reduced-pressure backflow is dehydrated 2h, releases the mixture of the water and solvent that steam, is cooled to 40 Heat preservation continues to stir 1h at DEG C, and dibutyl tin dilaurate is added, and is added dropwise while stirring with dropping funel at 60 DEG C two different Cyanate, 2h are added dropwise, and are warming up to 80 DEG C of heat preservation the reaction was continued 2h, are cooled to 40 DEG C or less addition dimethylbenzene, are warming up to 80 Self-control prepolymer can be obtained in DEG C insulated and stirred reaction 3h；
(2) addition butyl acetate, ethyl acetate stir evenly after mixing self-control prepolymer and N-75, and tin dilaurate is then added BYK-358N is added after ten minutes and stirs evenly, after bubble completely disappears, is coated, room temperature curing for dibutyl tin, curing Coating can be formed after 7d.
Embodiment 8
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 55%, N-3390 10.5%, butanone 33%, dibutyltin diacetate 0.6%, BYK-333 0.9%.Wherein make prepolymer by oneself It is made of the raw material of following weight percent content: 300E(polyether-tribasic alcohol) 21%, trimethylolpropane 4%, dicyclohexyl first Alkane diisocyanate 34.98%, dibutyltin diacetate 0.02%, acetic acid (2- butoxy second) ester 20%, butanone 20%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle plus 300E(polyether-tribasic alcohol) and trimethylolpropane, then in reaction kettle It is uniformly mixed after middle addition acetic acid (2- butoxy second) ester, heating reduced-pressure backflow is dehydrated 2h, releases the mixed of the water and solvent steamed Object is closed, heat preservation at 50 DEG C is cooled to and continues to stir 1h, dibutyltin diacetate is added, uses dropping funel while stirring at 70 DEG C Dicyclohexyl methyl hydride diisocyanate is added dropwise, 2h is added dropwise, and is warming up to 70 DEG C of heat preservations the reaction was continued 2h, be cooled to 40 DEG C or less Butanone is added, being warming up to 70 DEG C of insulated and stirred reaction 3h can be obtained self-control prepolymer；
(2) butanone is added after mixing self-control prepolymer and N-3390 to stir evenly, dibutyltin diacetate is then added, cures BYK-333 is added after ten minutes to stir evenly, after bubble completely disappears, is coated, painting can be formed after room temperature curing 7d Layer.
Embodiment 9
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 41%, N-75 15.9%, acetone 43%, stannous octoate 0.04%, BYK-378 0.06%.Wherein self-control prepolymer is by following The raw material of weight percent content forms: CAPA3000(polycaprolactonetriol) 8%, CAPA2085 (polycaprolactone glycol) 10%, Triisopropanolamine 3%, xylylene diisocyanate 37%, stannous octoate 0.03%, cyclohexanone 20%, ethyl acetate 21.97%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle plus CAPA3000(polycaprolactonetriol), CAPA2085(polycaprolactone two Alcohol) and triisopropanolamine, it is uniformly mixed after cyclohexanone is then added in a kettle, heating reduced-pressure backflow is dehydrated 2h, releases and steams The mixture of water and solvent out is cooled to heat preservation at 48 DEG C and continues to stir 1h, stannous octoate is added, at 65 DEG C while stirring Xylylene diisocyanate is added dropwise with dropping funel, 2h is added dropwise, and is warming up to 70 DEG C of heat preservations the reaction was continued 2h, be cooled to 40 DEG C or less ethyl acetate is added, being warming up to 75 DEG C of insulated and stirreds reaction 3h can be obtained self-control prepolymer；
(2) acetone is added after mixing self-control prepolymer and N-75 to stir evenly, stannous octoate is then added, curing is after ten minutes BYK-378 is added to stir evenly, after bubble completely disappears, is coated, coating can be formed after room temperature curing 7d.
Embodiment 10
A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, is made of the raw material of following weight percent content: self-control Prepolymer 48%, N-3390 12%, ethylene glycol ether acetate 9%, butyl acetate 15%, butanone 15%, dibutyl tin dilaurate 0.7%,BYK-4510 0.3%.Wherein self-control prepolymer is made of the raw material of following weight percent content: PPG1000(poly- four Hydrogen furans ether glycol) 6%, PPG600(polytetrahydrofuran ether glycol) 6%, trimethylolpropane 2%, toluene di-isocyanate(TDI) 39%, dibutyltin diacetate 0.05%, butyl acetate 22%, butanone 24.95%.
The ITO coated surface polyurethane high adhesion force wear-resistant coating prepare when the following steps are included:
(1) preparation self-control prepolymer: in a kettle plus PPG1000(polytetrahydrofuran ether glycol), PPG600(polytetrahydrofuran Ether glycol) and trimethylolpropane, it is uniformly mixed after butyl acetate is then added in a kettle, heating reduced-pressure backflow dehydration 2h releases the mixture of the water and solvent that steam, is cooled to heat preservation at 50 DEG C and continues to stir 1h, dibutyltin diacetate is added, Toluene di-isocyanate(TDI) is added dropwise with dropping funel while stirring at 60 DEG C, 2h is added dropwise, and is warming up to 70 DEG C of heat preservations and continues instead 2h is answered, 40 DEG C or less addition butanone are cooled to, being warming up to 80 DEG C of insulated and stirred reaction 3h can be obtained self-control prepolymer；
(2) ethylene glycol ether acetate, butyl acetate, butanone is added after mixing self-control prepolymer and N-3390 to stir evenly, Then dibutyl tin dilaurate is added, BYK-4510 is added after ten minutes and stirs evenly for curing, after bubble completely disappears, into Row coats, and can form coating after room temperature curing 7d.
Coating made of the above various embodiments is tested for the property, test result is as shown in Table 1.
Table one: the coating performance of each embodiment preparation

Claims (9)

1. a kind of ITO coated surface polyurethane high adhesion force wear-resistant coating, it is characterised in that by following weight percent content Raw material composition: self-control prepolymer 40-70%, curing agent 5-20%, solvent A 20-50%, catalyst A 0.01-1%, auxiliary agent 0.05- 2%, the self-control prepolymer is made of the raw material of following weight percent content: polymer polyatomic alcohol 10-30%, chain extender 2- 5%, polyisocyanates 10-40%, catalyst B 0.01-0.05%, solvent B 40-50%.
2. a kind of ITO coated surface polyurethane high adhesion force wear-resistant coating according to claim 1, it is characterised in that: institute Stating curing agent is one of N-75, N-3390.
3. a kind of ITO coated surface polyurethane high adhesion force wear-resistant coating according to claim 1, it is characterised in that: institute It states solvent A and solvent B is respectively DBE, acetic acid (2- butoxy second) ester, dimethylbenzene, cyclohexanone, ethyl acetate, ethylene glycol ethyl ether One or more of acetate, butyl acetate, butanone, acetone.
4. a kind of ITO coated surface polyurethane high adhesion force wear-resistant coating according to claim 1, it is characterised in that: institute It states catalyst A and catalyst B is respectively one of dibutyl tin dilaurate, dibutyltin diacetate, stannous octoate.
5. a kind of ITO coated surface polyurethane high adhesion force wear-resistant coating according to claim 1, it is characterised in that: institute Stating auxiliary agent is one or more of BYK-306, BYK-358N, BYK-333, BYK-378, BYK-4510.
6. a kind of ITO coated surface polyurethane high adhesion force wear-resistant coating according to claim 1, it is characterised in that: institute State polymer polyatomic alcohol be CAPA3050, CAPA3000, CAPA2085, CAPA2000, N-330,300E, PPG1000, One or more of PPG600, T-5651.
7. a kind of ITO coated surface polyurethane high adhesion force wear-resistant coating according to claim 1, it is characterised in that: institute Stating chain extender is 1,4-butanediol, the one or more of 1,6- hexylene glycol, glycerine, trimethylolpropane, triisopropanolamine.
8. a kind of ITO coated surface polyurethane high adhesion force wear-resistant coating according to claim 1, it is characterised in that: institute State polyisocyanates be toluene di-isocyanate(TDI), it is xylylene diisocyanate, dicyclohexyl methyl hydride diisocyanate, two different The one or more of cyanate.
9. a kind of preparation method of ITO coated surface polyurethane high adhesion force wear-resistant coating, it is characterised in that this method include with Lower step:
(1) preparation self-control prepolymer: the pure and mild chain extender of polymer polyol is added in a kettle, one is then added in a kettle It is uniformly mixed after partial solvent B, heating reduced-pressure backflow is dehydrated 2h, releases the mixture of the water and solvent that steam, is cooled to 40-50 Heat preservation continues to stir 1h at DEG C, and catalyst B is added, and polyisocyanates, 2h is added dropwise with dropping funel while stirring at 60-70 DEG C It is added dropwise, is warming up to 70-80 DEG C of heat preservation the reaction was continued 2h, is cooled to 40 DEG C or less addition remainder solvents, is warming up to 70- Self-control prepolymer can be obtained in 80 DEG C of insulated and stirred reaction 3h；
(2) solvent A is added after mixing self-control prepolymer and curing agent to stir evenly, catalyst A is then added, cures 10 minutes Auxiliary agent is added afterwards to stir evenly, after bubble completely disappears, is coated, coating can be formed after room temperature curing 7d.
CN201811496368.6A 2018-12-07 2018-12-07 A kind of ITO coated surface polyurethane high adhesion force wear-resistant coating and preparation method thereof Pending CN109609014A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112430448A (en) * 2020-11-23 2021-03-02 南通高盟新材料有限公司 Adhesive for H-grade insulating paper composite material and preparation method thereof
CN112812678A (en) * 2020-12-31 2021-05-18 中科院长春应化所黄埔先进材料研究院 High-light-transmission wear-resistant coating material and preparation method thereof
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CN116751355A (en) * 2023-08-17 2023-09-15 成都上泰科技有限公司 Organic silicon modified polyurethane high polymer for soft-coated aluminum-plastic film of power battery and preparation method thereof
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Application publication date: 20190412